feat: wake reconciled sessions for queued dispatch

internal/server/session/session_test.go

@@ -100,6 +100,17 @@ func TestCapacityShadowAndRegistry_BH_SES_03(t *testing.T) {
 	if registry.Remove(first) || registry.Get("client-a") != second {
 		t.Fatal("stale handle removed current session")
 	}
+	if !registry.Wake("client-a") {
+		t.Fatal("wake did not find current session")
+	}
+	select {
+	case <-second.DispatchWake():
+	default:
+		t.Fatal("wake was not delivered to current session")
+	}
+	if registry.Wake("missing") {
+		t.Fatal("wake reported a missing session")
+	}
 	if !registry.Remove(second) {
 		t.Fatal("current handle removal failed")
 	}